Finding the Fourth Proportional to 68,282,158.70, 94,231,621.06 and 37,342,327.98
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Solution
The fourth proportional to 68,282,158.70, 94,231,621.06 and 37,342,327.98 is: 51,533,638.75
Step by Step Solution
- Step 1: Write the proportion equation
68,282,158.70 : 94,231,621.06 = 37,342,327.98 : x - Step 2: Convert to fraction form
68,282,158.70/94,231,621.06 = 37,342,327.98/x - Step 3: Cross multiply
68,282,158.70x = 94,231,621.06 × 37,342,327.98 - Step 4: Simplify right side
68,282,158.70x = 3,518,828,099,709,595 - Step 5: Solve for x
x = 3,518,828,099,709,595/68,282,158.70 - Step 6: Final answer
x = 51,533,638.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.